Bible Verses About Railing: Forbidden

No, what I wrote you was not to associate with anyone who is supposedly a brother but who also engages in sexual immorality, is greedy, worships idols, is abusive, gets drunk or steals. With such a person you shouldn’t even eat!

he is swollen with conceit and understands nothing. Instead, he has a morbid desire for controversies and word-battles, out of which come jealousy, dissension, insults, evil suspicions,

not repaying evil with evil or insult with insult, but, on the contrary, with blessing. For it is to this that you have been called, so that you may receive a blessing.

whereas angels, though stronger and more powerful, do not bring before the Lord an insulting charge against them.

When Mikha’el, one of the ruling angels, took issue with the Adversary, arguing over the body of Moshe, he did not dare bring against him an insulting charge, but said, “May Adonai rebuke you.”